What is the domain where y is a function and the total value is 85$

Final answer:

The domain of a function is the set of all possible input values (x). In terms of a real-world scenario where 'y' is a total cost or value, the domain refers to the quantities of a product or service (x) that would result in a total cost of $85.

Explanation:

The domain of a function in mathematics is the set of all possible input values (often designated by 'x'). But in the context of your question where y is a function and the total value is $85, it sounds like you could be referring to a real-world scenario where 'y' might represent a total cost or value in dollars. A function in this context might reflect how different quantities or 'x' values result in a certain cost or 'y' value.

For instance, if you're selling a product for $17 each and you want to know how many you would sell to reach a total of $85, the domain would be all possible amounts of units you could sell (0, 1, 2, 3, etc.). In this case, 5 units would yield a 'y' value of $85, since 5*$17 equals $85. So, the domain would include the number 5, along with any other positive integers up to the point where 'y' total value (the range) doesn't exceed $85.

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